Number | Date | Country | Kind |
---|---|---|---|
34162/73 | Jul 1973 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3501219 | Caulfield | Mar 1970 | |
3731986 | Fergason | May 1973 | |
3756694 | Soref et al. | Sep 1973 | |
3784280 | Bigelow | Jan 1974 | |
3785721 | Harsch | Jan 1974 | |
3806227 | Grenbel et al. | Apr 1974 | |
3813144 | Kumada et al. | May 1974 |
Entry |
---|
Scheffer: "New Multicolor Liquid Crystal Displays That Use A Twisted Nematic Electro-Optical Cell," Journal of Applied Physics, vol. 44, Nov., 1973. |